对信号进行频谱分析及滤波，验证可用，滤波求和方式实现宽带波束形成，代码里有很完整的注释和解释，matlab编写的元胞自动机，LDPC码的完整的编译码。-The signal spectral analysis and filtering, Verification is available, Filtering summation way broadband beamforming, Code, there are very complete notes and explanations mat